We are proud to present the best 450nm 4W multimode laser module out-there. Its 2 PBS'd units 2,4W Nichia Blue Laser diodes. Beam correction is made thru cylindrical lenses, not prisms, so you get LESS LOSSES.
Also incorporates 1:1 telescope (AR Broadband High Quality Thorlabs lenses) Spatial Filter for the best multimode beam profile.
Beam output angle adjustable for a perfect near-field.